Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GIAO QUYNH NGUYEN O.D.
NPI 1497741003
Optometrist in Houston, TX

Q: What is Giao Nguyen's NPI number?

The NPI number for Giao Nguyen is 1497741003. It was assigned to this individual provider in the NPPES registry on September 20, 2005.

Q: What is Giao Nguyen's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for Giao Nguyen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 20, 2005PECOS Enrolled

3137 W HOLCOMBE BLVD, HOUSTON, TX 77025(713) 349-9292(713) 349-8989 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Giao Quynh Nguyen O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GIAO QUYNH NGUYEN O.D. (NPI 1497741003) is an individual optometrist in Houston, Texas, licensed in Texas (5738T) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (1999).

NPPES Registry Identity

NPI1497741003

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameDR. GIAO QUYNH NGUYENCredential: O.D.

Location Address3137 W HOLCOMBE BLVDHouston, TX 77025-1505

Mailing Address3137 W Holcombe BlvdHouston, TX 77025-1505 · (713) 349-9292 · Fax (713) 349-8989

Phone(713) 349-9292

Fax(713) 349-8989

Sole ProprietorNo

Medical School CMSUniversity Of Houston - College Of OptometryGraduated 1999

Enumeration DateSeptember 20, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1497741003 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in TX · 5738T

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

3137 W HOLCOMBE BLVD, Houston, TX 77025

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Giao Quynh Nguyen O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143278283

PECOS Enrollment IDI20050105000984

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77025 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

URBAN EYE CARE PA

Optometrist

3137 W HOLCOMBE BLVD
HOUSTON, TX 77025

Harris County (713) 349-9292

DR. DUYEN THU NGUYEN O.D.

Optometrist

3137 W HOLCOMBE BLVD
HOUSTON, TX 77025

Harris County (713) 349-9292

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Giao Nguyen's NPI number?

The NPI number for Giao Nguyen is 1497741003. It was assigned to this individual provider in the NPPES registry on September 20, 2005.

Where is Giao Nguyen located?

Giao Nguyen practices at 3137 W Holcombe Blvd, Houston, TX 77025. The listed phone number is (713) 349-9292.

What is Giao Nguyen's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Giao Nguyen enrolled in Medicare?

Yes. Giao Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Giao Nguyen accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 3 other insurers list Giao Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Giao Nguyen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.